DescriptionThis is a set of 6 pieces high-carbon steel cutting burs. This 6pcs burr set includes all of the most burrs shapes and sizes for cutting, carving, engraving, notching, grinding, grooving, routing, cnc milling, and more.Features- Color: As shown. - Material: High carbon steel. - Size: Approx. 5.5 x 0.6 x 0.6cm. - This is a 6 piece set of High carbon steel metal cutting burrs. - These metal cutter burr bits can be used on all types of metal, wood, stone, porcelain, sheet metal, plastic, fiberglass, and more. - They are great for engraving, wood working, cutting, grinding, deburring, reaming, and much more. - These solid high-arbon steel routing bits / burs are tough. - These small metal cutter burr bits are durable.